for something a bit different, a gadget to make your bike sound like a horse clopping along, sort of

Taking a page from Monty Python's book, the wooden gadget attaches to the front of bike and claps together a coconut so it sounds like a trotting horse.



they may be a bit bonkers

http://www.npr.org/sections/alltechconsidered/2016/06/24/483380243/need-for-steed-this-bike-gadget-gallops-like-king-arthur